This template is just begging for your young mathematicians to fill it in with colorful bar graphs! With horizontal and vertical axes in place and grid lines for added support, this is a great resource for teaching children how...

See what you cannot see by getting a little creative. An intriguing lesson has learners use lasers to explore X-ray diffraction. Given a box with unknown structures, they shine a laser through the box and interpret the results....

Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...